fix(b-pagination-nav) don't set `aria-posinset` and `aria-setsize` attributes for page links (closes #5449)#5754

jacobmllr95 merged 2 commits intodevbootstrap-vue/bootstrap-vue:devfrom

fix-b-pagination-nav-page-button-a11ybootstrap-vue/bootstrap-vue:fix-b-pagination-nav-page-button-a11yCopy head branch name to clipboard