chore: run escript in compile mode

scripts/emqx_rel_otp_app_overwrite.escript

@@ -1,4 +1,4 @@
-#!/usr/bin/env escript
+#!/usr/bin/env -S escript -c
 %% This script is part of 'relup' process to overwrite the OTP app versions (incl. ERTS) in rel files from upgrade base
 %% so that 'rebar relup' call will not generate instructions for restarting OTP apps or restarting the emulator.
 %%
@@ -7,6 +7,7 @@
 %%
 %% note, we use NEW to overwrite OLD is because the modified NEW rel file will be overwritten by next 'rebar relup'
 %%
+
 main([Dir, RelVsn, BASE_VERSIONS]) ->
     {ErtsVsn, Overwrites} = get_otp_apps(rel_file(Dir, RelVsn), RelVsn),
     lists:foreach(fun(BaseVer) ->

scripts/fail-on-old-otp-version.escript

@@ -1,4 +1,4 @@
-#!/usr/bin/env escript
+#!/usr/bin/env -S escript -c
 
 main(_) ->
     OtpRelease = list_to_integer(erlang:system_info(otp_release)),