Move scripts used in CI to the new location (#11008)

Move scripts used in CI to the new location - **./scripts/ci/**

* Move github scripts

* Move more files

* Move ci scripts and fix dependencies

* Update docs/node-template-release.md

Co-authored-by: João Paulo Silva de Souza <77391175+joao-paulo-parity@users.noreply.github.com>

* Remove Cargo.lock

* Apply suggestions from code review

Co-authored-by: Denis Pisarev <denis.pisarev@parity.io>

* Make more paths uniform

Co-authored-by: João Paulo Silva de Souza <77391175+joao-paulo-parity@users.noreply.github.com>
Co-authored-by: Denis Pisarev <denis.pisarev@parity.io>

substrate/scripts/ci/github/check_labels.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+set -e
+
+#shellcheck source=../common/lib.sh
+source "$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../common/lib.sh"
+
+repo="$GITHUB_REPOSITORY"
+pr="$GITHUB_PR"
+
+ensure_labels() {
+  for label in "$@"; do
+    if has_label "$repo" "$pr" "$label"; then
+      return 0
+    fi
+  done
+  return 1
+}
+
+# Must have one of the following labels
+releasenotes_labels=(
+  'B0-silent'
+  'B3-apinoteworthy'
+  'B5-clientnoteworthy'
+  'B7-runtimenoteworthy'
+)
+
+criticality_labels=(
+  'C1-low 📌'
+  'C3-medium 📣'
+  'C7-high ❗️'
+  'C9-critical ‼️'
+)
+
+audit_labels=(
+  'D1-audited 👍'
+  'D2-notlive 💤'
+  'D3-trivial 🧸'
+  'D5-nicetohaveaudit ⚠️'
+  'D9-needsaudit 👮'
+)
+
+echo "[+] Checking release notes (B) labels"
+if ensure_labels "${releasenotes_labels[@]}";  then
+  echo "[+] Release notes label detected. All is well."
+else
+  echo "[!] Release notes label not detected. Please add one of: ${releasenotes_labels[*]}"
+  exit 1
+fi
+
+echo "[+] Checking release criticality (C) labels"
+if ensure_labels "${criticality_labels[@]}";  then
+  echo "[+] Release criticality label detected. All is well."
+else
+  echo "[!] Release criticality label not detected. Please add one of: ${criticality_labels[*]}"
+  exit 1
+fi
+
+if has_runtime_changes origin/master "${HEAD_SHA}"; then
+  echo "[+] Runtime changes detected. Checking audit (D) labels"
+  if ensure_labels "${audit_labels[@]}";  then
+    echo "[+] Release audit label detected. All is well."
+  else
+    echo "[!] Release audit label not detected. Please add one of: ${audit_labels[*]}"
+    exit 1
+  fi
+fi
+
+exit 0