Initial pgindent and pgperltidy run for v14.

Also "make reformat-dat-files".

The only change worthy of note is that pgindent messed up the formatting
of launcher.c's struct LogicalRepWorkerId, which led me to notice that
that struct wasn't used at all anymore, so I just took it out.

src/include/access/brin_tuple.h

@@ -33,7 +33,7 @@ typedef struct BrinValues
 	bool		bv_allnulls;	/* are all values nulls in the page range? */
 	Datum	   *bv_values;		/* current accumulated values */
 	Datum		bv_mem_value;	/* expanded accumulated values */
-	MemoryContext	bv_context;
+	MemoryContext bv_context;
 	brin_serialize_callback_type bv_serialize;
 } BrinValues;