chore: update parameter naming

Signed-off-by: Shabareesh Shetty <[email protected]>

Author: ShabiShett07

lib/node_modules/@stdlib/blas/base/dgemv/README.md

@@ -257,7 +257,7 @@ The function accepts the following arguments:
 -   **A**: `[inout] double*` input matrix.
 -   **strideA1**: `[in] CBLAS_INT` stride of the first dimension of `A`.
 -   **strideA2**: `[in] CBLAS_INT` stride of the second dimension of `A`.
--   **oa**: `[in] CBLAS_INT` starting index for `A`.
+-   **offsetA**: `[in] CBLAS_INT` starting index for `A`.
 -   **X**: `[in] double*` first input vector.
 -   **strideX**: `[in] CBLAS_INT` index increment for `X`.
 -   **offsetX**: `[in] CBLAS_INT` starting index for `X`.