Change issue templates to Prism branding

Signed-off-by: Jacob Gogichaishvili <iakob.gogichaishvili@gmail.com>

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -8,9 +8,9 @@ body:
       If you need help with running Minecraft, please visit us on our Discord before making a bug report.
 
       Before submitting a bug report, please make sure you have read this *entire* form, and that:
-      * You have read the [PolyMC wiki](https://polymc.org/wiki/) and it has not answered your question.
+      * You have read the [PrismLauncher wiki](https://polymc.org/wiki/) and it has not answered your question.
       * Your bug is not caused by Minecraft or any mods you have installed.
-      * Your issue has not been reported before, [make sure to use the search function!](https://github.com/PolyMC/PolyMC/issues)
+      * Your issue has not been reported before, [make sure to use the search function!](https://github.com/PrismLauncher/PrismLauncher/issues)
 
       **Do not forget to give your issue a descriptive title.** "Bug in the instance screen" makes it hard to distinguish issues at a glance.
 - type: dropdown
@@ -25,15 +25,15 @@ body:
     - Other
 - type: textarea
   attributes:
-    label: Version of PolyMC
-    description: The version of PolyMC used in the bug report.
-    placeholder: PolyMC 1.4.1
+    label: Version of PrismLauncher
+    description: The version of PrismLauncher used in the bug report.
+    placeholder: PrismLauncher 1.4.1
   validations:
     required: true
 - type: textarea
   attributes:
     label: Version of Qt
-    description: The version of Qt used in the bug report. You can find it in Help -> About PolyMC -> About Qt.
+    description: The version of Qt used in the bug report. You can find it in Help -> About PrismLauncher -> About Qt.
     placeholder: Qt 6.3.0
   validations:
     required: true

.github/ISSUE_TEMPLATE/rfc.yml

@@ -6,7 +6,7 @@ body:
 - type: markdown
   attributes:
     value: |
-      ### Use this form to suggest a larger change for PolyMC.
+      ### Use this form to suggest a larger change for PrismLauncher.
 - type: textarea
   attributes:
     label: Goal
@@ -18,7 +18,7 @@ body:
   attributes:
     label: Motivation
     description: |
-      Introduce the topic. If this is a not-well-known section of PolyMC, a detailed explanation of the background is recommended.
+      Introduce the topic. If this is a not-well-known section of PrismLauncher, a detailed explanation of the background is recommended.
       Some example points of discussion:
        - What specific problems are you facing right now that you're trying to address?
        - Are there any previous discussions? Link to them and summarize them (don't force your readers to read them though!).

.github/ISSUE_TEMPLATE/suggestion.yml

@@ -5,25 +5,25 @@ body:
 - type: markdown
   attributes:
     value: |
-      ### Use this form to suggest a feature for PolyMC.
+      ### Use this form to suggest a feature for PrismLauncher.
 - type: input
   attributes:
     label: Role
-    description: In what way do you use PolyMC that needs this feature?
+    description: In what way do you use PrismLauncher that needs this feature?
     placeholder: I play modded Minecraft.
   validations:
     required: true
 - type: input
   attributes:
     label: Suggestion
-    description: What do you want PolyMC to do?
+    description: What do you want PrismLauncher to do?
     placeholder: I want the cat button to meow.
   validations:
     required: true
 - type: input
   attributes:
     label: Benefit
-    description: Why do you need PolyMC to do this?
+    description: Why do you need PrismLauncher to do this?
     placeholder: so that I can always hear a cat when I need to.
   validations:
     required: true