Chore(deps): Bump step-security/harden-runner from 2.19.3 to 2.19.4 (#1731)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -32,7 +32,7 @@ jobs:
         runs-on: hiero-client-sdk-linux-medium
         steps:
             - name: Harden Runner
-              uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
+              uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
               with:
                 egress-policy: audit
 
@@ -77,7 +77,7 @@ jobs:
 
         steps:
             - name: Harden Runner
-              uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
+              uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
               with:
                   egress-policy: audit
 
@@ -148,7 +148,7 @@ jobs:
 
         steps:
             - name: Harden Runner
-              uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
+              uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
               with:
                 egress-policy: audit
 
@@ -206,7 +206,7 @@ jobs:
 
         steps:
             - name: Harden Runner
-              uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
+              uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
               with:
                   egress-policy: audit
 
@@ -255,7 +255,7 @@ jobs:
         runs-on: hiero-client-sdk-linux-medium
         steps:
             - name: Harden Runner
-              uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
+              uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
               with:
                 egress-policy: audit