Update issue templates

Author: KnightMiner

.github/ISSUE_TEMPLATE/1-16-issue-report.yml

@@ -1,5 +1,5 @@
 name: 1.16 Issue Report
-description: Report an issue with the 1.16 beta of Minecraft
+description: Report an issue with 1.16, currently nearing end of support.
 labels: [1.16, Bug, Unreviewed]
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/1-18-enhancement.yml

@@ -5,7 +5,7 @@ body:
   - type: markdown
     attributes:
       value: |
-        If your idea requires discussion or is complicated, [join our discord](https://discord.gg/njGrvuh) instead of posting a new issue.
+        Please note that 1.18 versions are no longer receiving significant new features. If your idea requires discussion or is complicated, [join our discord](https://discord.gg/njGrvuh) instead of posting a new issue.
         Please search the following links to make sure your enhancement is not covered:
         
         * **[Roadmap](/SlimeKnights/TinkersConstruct/wiki/Tinkers%27-Construct-3-Roadmap)**: Discusses unimplemented features and planned new changes
@@ -25,7 +25,7 @@ body:
     id: minecraft-version
     attributes:
       label: Minecraft Version
-      value: 1.18.1
+      value: 1.18.2
     validations:
       required: true
   - type: input

.github/ISSUE_TEMPLATE/1-18-issue-report.yml

@@ -1,11 +1,11 @@
 name: 1.18 Issue Report
-description: Report an issue with the 1.18 alphas of Minecraft
+description: Report an issue with 1.18, currently long term support
 labels: [1.18, Bug, Unreviewed]
 body:
   - type: markdown
     attributes:
       value: |
-        Please note that 1.18 versions of the mod are in alpha, so are subject to change. Before submitting an issue, please search the following links to make sure your issue is not covered:
+        Please note that 1.18 versions are no longer receiving significant new features. Before submitting an issue, please search the following links to make sure your issue is not covered:
         
         * **[Pinned Issues](/SlimeKnights/TinkersConstruct/issues)**: Some commonly reported issues are pinned
         * **[Roadmap](/SlimeKnights/TinkersConstruct/wiki/Tinkers%27-Construct-3-Roadmap)**: Discusses unimplemented features and planned new changes