tools: fix zconf.h path

Use the `DEPS_DIR` variable to build the path instead of hardcoding it.

PR-URL: #48089
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>

Author: lpinca

tools/dep_updaters/update-zlib.sh

@@ -6,7 +6,7 @@ BASE_DIR=$(cd "$(dirname "$0")/../.." && pwd)
 DEPS_DIR="$BASE_DIR/deps"
 
 CURRENT_VERSION=$(grep "#define ZLIB_VERSION" "$DEPS_DIR/zlib/zlib.h" | sed -n "s/^.*VERSION \"\(.*\)\"/\1/p")
- 
+
 NEW_VERSION_ZLIB_H=$(curl -s "https://chromium.googlesource.com/chromium/src/+/refs/heads/main/third_party/zlib/zlib.h?format=TEXT" | base64 --decode)
 
 NEW_VERSION=$(printf '%s' "$NEW_VERSION_ZLIB_H" | grep "#define ZLIB_VERSION" | sed -n "s/^.*VERSION \"\(.*\)\"/\1/p")
@@ -47,7 +47,7 @@ mkdir "$DEPS_DIR/zlib/win32"
 
 mv "$DEPS_DIR/zlib.def" "$DEPS_DIR/zlib/win32"
 
-perl -i -pe 's|^#include "chromeconf.h"|//#include "chromeconf.h"|' deps/zlib/zconf.h
+perl -i -pe 's|^#include "chromeconf.h"|//#include "chromeconf.h"|' "$DEPS_DIR/zlib/zconf.h"
 
 echo "All done!"
 echo ""