[CI] Reduce GHA timeouts from 6h default (#14704)

* [CI] Reduce GHA timeouts from 6h default

The goal here is to never interfere with a real run (so most of the
timeout-minutes values seem rather high) but to avoid having 6h long
runs if something goes crazy and never ends.

Signed-off-by: Rick Elrod <rick@elrod.me>

* Do bash hackery instead

Signed-off-by: Rick Elrod <rick@elrod.me>

---------

Signed-off-by: Rick Elrod <rick@elrod.me>

.github/workflows/label_issue.yml

@@ -13,6 +13,7 @@ permissions:
 jobs:
   triage:
     runs-on: ubuntu-latest
+    timeout-minutes: 20
     name: Label Issue
 
     steps:
@@ -26,6 +27,7 @@ jobs:
 
   community:
     runs-on: ubuntu-latest
+    timeout-minutes: 20
     name: Label Issue - Community
     steps:
       - uses: actions/checkout@v3