[FL-1989] CI: bootloader & firmware JSON manifests (#786)

* [FL-1989] CI: bootloader & firmware JSON manifests
* CI: reorder steps

Co-authored-by: あく <alleteam@gmail.com>

scripts/meta.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+
+import argparse
+import json
+
+
+class Main:
+    def __init__(self):
+        # parse CFLAGS
+        self.parser = argparse.ArgumentParser(allow_abbrev=False)
+        self.parser.add_argument("-p", dest="project", required=True)
+        self.parser.add_argument("-DBUILD_DATE", dest="build_date", required=True)
+        self.parser.add_argument("-DGIT_COMMIT", dest="commit", required=True)
+        self.parser.add_argument("-DGIT_BRANCH", dest="branch", required=True)
+        self.parser.add_argument("-DTARGET", dest="target", type=int, required=True)
+
+    def __call__(self):
+        self.args, _ = self.parser.parse_known_args()
+
+        meta = {}
+        for k, v in vars(self.args).items():
+            if k == "project":
+                continue
+            if isinstance(v, str):
+                v = v.strip('"')
+            meta[self.args.project + "_" + k] = v
+
+        print(json.dumps(meta, indent=4))
+
+
+if __name__ == "__main__":
+    Main()()