vim-patch:9.1.1602: filetype: requirements-*.txt files are not recognized

Problem:  filetype: requirements-*.txt files are not recognized
Solution: Detect requirements-*.txt files as requirements filetype
          (Xudong Zheng).

References:
- https://github.com/search?q=path%3Arequirements-*.txt&type=code
- https://github.com/zephyrproject-rtos/zephyr/tree/v4.2.0/scripts

closes: vim/vim#17894

d305729bc5

Co-authored-by: Xudong Zheng <7pkvm5aw@slicealias.com>

runtime/lua/vim/filetype.lua

@@ -2343,6 +2343,7 @@ local pattern = {
   },
   ['require'] = {
     ['%-requirements%.txt$'] = 'requirements',
+    ['requirements%-.*%.txt$'] = 'requirements',
     ['^requirements/.*%.txt$'] = 'requirements',
     ['^requires/.*%.txt$'] = 'requirements',
   },