ci pip-compile: add appropriate labels to dev and docs jobs

Dev dependency PRs are usually backported to all stable branches and
should be marked with the `tooling` label.

Doc build dependency PRs are never backported and should be marked with
the `doc builds` label.

Author: gotmax23

.github/workflows/pip-compile-dev.yml

@@ -15,6 +15,9 @@ name: "Refresh dev dependencies"
       reset-branch:
         type: boolean
         default: false
+      labels:
+        required: false
+        type: string
   push:
     branches:
       - devel
@@ -37,4 +40,5 @@ jobs:
         'pip-compile-3.10(static)'
         'pip-compile-3.10(spelling)'
       reset-branch: "${{ inputs.reset-branch || false }}"
+      labels: "${{ inputs.labels || 'backport-2.14,backport-2.15,backport-2.16,tooling' }}"
     secrets: inherit

.github/workflows/pip-compile-docs.yml

@@ -15,6 +15,9 @@ name: "Refresh docs build dependencies"
       reset-branch:
         type: boolean
         default: false
+      labels:
+        required: false
+        type: string
   push:
     branches:
       - devel
@@ -33,4 +36,5 @@ jobs:
       pr-branch: "${{ inputs.pr-branch || 'pip-compile/devel/docs' }}"
       nox-args: "-e 'pip-compile-3.10(requirements)' 'pip-compile-3.10(requirements-relaxed)'"
       reset-branch: "${{ inputs.reset-branch || false }}"
+      labels: "${{ inputs.labels || 'doc builds,no_backport' }}"
     secrets: inherit