fix: finally fix the regex pattern

I suck at regex lol

.github/labels.yml

@@ -1,16 +1,16 @@
 labels:
   - name: "add mod"
     conditions:
-      - body: "^- [x] Add mod to alternatives page$"
+      - body: "^- \\[x\\] Add mod to alternatives page$"
   - name: "enhancement"
     conditions:
-      - body: "^- [x] Site changes$"
+      - body: "^- \\[x\\] Site changes$"
   - name: "documentation"
     conditions:
-      - body: "^- [x] Chore/documentation updates$"
+      - body: "^- \\[x\\] Chore/documentation updates$"
   - name: "BREAKING CHANGE"
     conditions:
-      - body: "^- [x] Tick this box if you made changes that may or may not break site functionality.$"
+      - body: "^- \\[x\\] Tick this box if you made changes that may or may not break site functionality.$"
   - name: "Merge conflict identified"
     conditions:
       - mergeable: false