BaseTools: Update Brotli Compress to 1.2.0

# Description

Update brotli from v1.0.9 to v1.2.0
https://github.com/google/brotli/releases/tag/v1.2.0

- [ ] Breaking change?
  - **Breaking change** - Does this PR cause a break in build or boot behavior?
  - Examples: Does it add a new library class or move a module to a different repo.
- [x] Impacts security?
  - **Security** - Does this PR have a direct security impact?
  - Fixes CVE-2025-6176 reported in brotli < 1.2.0.
- [ ] Includes tests?
  - **Tests** - Does this PR include any explicit test code?
  - Examples: Unit tests or integration tests.

## How This Was Tested

Verified booting on a virtual platform by compressing/decompressing PEI/DXE sections.

## Integration Instructions
NA

Author: vineelko

BaseTools/Source/C/BrotliCompress/Makefile

@@ -24,7 +24,9 @@ DEC_OBJ = \
   brotli\c\dec\bit_reader.obj \
   brotli\c\dec\decode.obj \
   brotli\c\dec\huffman.obj \
-  brotli\c\dec\state.obj
+  brotli\c\dec\prefix.obj \
+  brotli\c\dec\state.obj \
+  brotli\c\dec\static_init.obj
 ENC_OBJ = \
   brotli\c\enc\command.obj \
   brotli\c\enc\compound_dictionary.obj \
@@ -46,6 +48,8 @@ ENC_OBJ = \
   brotli\c\enc\memory.obj \
   brotli\c\enc\metablock.obj \
   brotli\c\enc\static_dict.obj \
+  brotli\c\enc\static_dict_lut.obj \
+  brotli\c\enc\static_init.obj \
   brotli\c\enc\utf8_util.obj
 
 OBJECTS = \

BaseTools/Source/C/BrotliCompress/brotli

@@ -49,7 +49,9 @@
   brotli/c/dec/bit_reader.c
   brotli/c/dec/decode.c
   brotli/c/dec/huffman.c
+  brotli/c/dec/prefix.c
   brotli/c/dec/state.c
+  brotli/c/dec/static_init.c
   brotli/c/include/brotli/decode.h
   brotli/c/include/brotli/port.h
   brotli/c/include/brotli/types.h